APA
Ralph A. Reis, . (1962). Obstetrics Gynecology. New York: Hoeber Medical Division of Harper & Row.
Chicago
Ralph A. Reis, . 1962. Obstetrics Gynecology. New York: Hoeber Medical Division of Harper & Row.
Harvard
Ralph A. Reis, . (1962). Obstetrics Gynecology. New York: Hoeber Medical Division of Harper & Row.
MLA
Ralph A. Reis, . Obstetrics Gynecology. New York: Hoeber Medical Division of Harper & Row. 1962.